2003 Holley - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Holley Gen III Hemi Retrofit Oil Pans 302-63

Oil Pans, Gen III Hemi, RetroFit, Wet Sump, Rear, 6.2 Quart, Dipstick Compatible, Cast Aluminum, Natural, Chrysler, Dodge, GMC, Plymouth, 376ci,

Part Number: HLY-302-63

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Holley LS Steam Vent Kits 26-550

Engine Coolant Crossovers, LS Steam Vent Kits, Aluminum, Black Anodized, Chevy, Small Block LS, Kit

Part Number: HLY-26-550

5.0 out of 5 stars ( 1 )

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Holley Power Steering Pumps 97-382

Power Steering Pumps, Hemi Swap, Power Steering Kit, Low Pressure, Aluminum, Black, with Car Accessory Drive, Chrysler, Dodge, Jeep, 5.7-6.4L, Kit

Part Number: HLY-97-382

1.0 out of 5 stars ( 1 )

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Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1065

Fuel Injection Systems, Terminator X Max, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Aluminum, Gold, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1065

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Holley LS Engine Accessory Drive Kits 21-3

Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Long Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-3

4.43 out of 5 stars ( 21 )

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Holley Terminator X MAX Engine Management Systems 550-1317

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1317

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Holley Terminator X Engine Management Systems 550-1218

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1218

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Holley Universal Ignition Harnesses 558-307

Ignition Coil Wiring Harnesses, Holley EFI, Coil-On/Near Plug Harness, for GM LSx Coil Harness, Holley 558-312, to HP, Dominator EFI Systems, Each

Part Number: HLY-558-307

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Holley Sniper Throttle Bodies 860001-1

Throttle Body, Sniper EFI, Multi-port Injection, 92mm Bore, Billet Aluminum, Natural Finish, Hardware, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: SNE-860001-1

5.0 out of 5 stars ( 3 )

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Holley Mid-Mount Complete Accessory Systems 20-186BK

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-186BK

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Holley LS Engine Swap Accessory Drive Systems 20-156

Accessory Drive Systems, LS Engine Swap, Serpentine Style, Alternator, Power Steering, Pullies, 6-groove, Natural Finish, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-156

3.0 out of 5 stars ( 2 )

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Holley Aluminum LS Valve Covers 241-175

Valve Covers, Aluminum LS, Center and Perimeter Bolt, Tall, Chevy Logo, Cast Aluminum, Natural Finish, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-175

5.0 out of 5 stars ( 1 )

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Holley Ignition Coil Extension Harnesses 558-326

Ignition Coil Wiring Harnesses, Holley EFI, LS Coil Extension Harness, 36 in. Long, OE Connectors, Plug & Play, Techflex F6 Loom, Chevy, 4.8-70L, Pair

Part Number: HLY-558-326

5.0 out of 5 stars ( 1 )

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Holley Terminator X MAX Engine Management Systems 550-930

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-930

3.0 out of 5 stars ( 3 )

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Holley Sniper Throttle Bodies 860008-1

Throttle Body, Sniper EFI, Multi-port Injection, 90mm Bore, Billet Aluminum, Black Anodized, 4-bolt Pattern, IAC Provision, Chevy, LS, 4.8-7.0L, Each

Part Number: SNE-860008-1

5.0 out of 5 stars ( 1 )

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Holley HP EFI Smart Coil Sub Harnesses 558-318

Ignition Coil Wiring Harnesses, Holley EFI, C-N-P Ignition Sub-Harness, 12-gauge Wire, for HP EFI, Smart Coils, Chevy, LS Based, 4.8-7.0L, Each

Part Number: HLY-558-318

5.0 out of 5 stars ( 2 )

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Holley EFI Crank Trigger Kits 556-175

Crank Triggers, Holley EFI, 12-1X LS, Hall Effect, 7.25 in. Diameter, Aluminum, Silver, Adjustable Bracket, 3-wire Pickup, Gen III, IV, SBC, Kit

Part Number: HLY-556-175

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Holley Terminator X MAX Engine Management Systems 550-934T

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Trans Control, Analog, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934T

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Holley LS Engine Swap Accessory Drive Systems 20-141

Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 508 A/C Only, Chevy, V8, Kit

Part Number: HLY-20-141

4.5 out of 5 stars ( 4 )

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Holley EFI Systems Wiring Harnesses 558-116

Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Late Model, Each

Part Number: HLY-558-116

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Holley Cooling Manifolds 97-163

Water Pump Housings, Holley, LS Cooling Manifold, Aluminum, Natural, Steam Tube Inlet, 1/8 in.-NPT, for Holley Mid-Mount Accessory Drive Only, Each

Part Number: HLY-97-163

5.0 out of 5 stars ( 2 )

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Holley LS Engine Air Conditioner Brackets 20-134

Air Conditioner Brackets, Passenger Side, Aluminum, Sanden 508, Sanden SD7, Chevy, Small Block LS, Each

Part Number: HLY-20-134

4.36 out of 5 stars ( 14 )

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Holley Cooling Manifolds 97-167

Water Pump Housings, Holley, LS Cooling Manifold, Aluminum, Black, Steam Tube Inlet, 1/8 in.-NPT, for Holley Mid-Mount Accessory Drive Only, Each

Part Number: HLY-97-167

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Holley LS Modular Lo-Ram EFI Intake Systems 300-620BK

Intake Manifolds, LS Modular, Lo-Ram EFI, Cathedral Port Head, Multi-port, Standard Deck, 105mm Bore, Aluminum, Black Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-620BK

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Holley Gen III Hemi Retrofit Oil Pans 302-76

Oil Pans, Gen III Hemi, Retrofit, VVT Engine, Wet Sump, Rear, 1-piece Main Seal, 6.2 Quart, Dipstick Passenger Side, Aluminum, Natural, Hardware, Each

Part Number: HLY-302-76

5.0 out of 5 stars ( 1 )

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2003 Holley Parts and Accessories